Flat shisha charcoal is a pressed coconut-shell charcoal briquette cut to a thin, flat profile, most commonly 26×26×10 mm for hookah use. This page explains what “flat shisha charcoal” means in technical terms – dimensions, fixed carbon, ash content, burn time, and realistic FOB ranges – so you can evaluate suppliers and spec sheets with clear benchmarks.
What Is Flat Shisha Charcoal? (Definition & Dimensions)
Flat shisha charcoal is a square, thin-cut briquette for hookah, typically made from carbonized Indonesian coconut shell. Unlike standard 25×25×25 mm or 26×26×26 mm cubes, flat hookah charcoal has less height, which gives faster ignition and a different heat profile on the bowl.
Common dimensions you’ll see on offers:
- Standard flat
- 26×26×10 mm (most common for export-oriented coconut shell charcoal)
- Alternative flat
- 25×25×10 mm or 25×25×8 mm (some factories favor slightly thinner cuts)
- “Slim” flat
- 22×22×8–10 mm (lighter pieces for very compact heads or heat managers)
On this page, “flat shisha charcoal” refers primarily to the 26x26x10mm charcoal format: square footprint similar to a cube but roughly 40–60% of the height. It is also described by some producers as:
– flat cut shisha coal
– flat coconut charcoal
– flat briquette / tablet (in non-specialist export paperwork)
Shape & Performance: Why Choose Flat 26×26×10 mm?
Faster Heat-Up vs Cubes
With less mass per piece and more surface area per gram, 26×26×10 mm flats generally ignite faster than equivalent-size cubes on the same burner. In practice, using a standard 1000–1500 W electric coil:
– Flats: typically reach full glow in ~5–7 minutes
– Cubes: often need ~7–10 minutes
This range depends on burner type, batch moisture, and airflow. But for lounges and home users wanting quicker session turnover, flats reduce preheat lag.
Heat Profile on Popular Heads & HMDs
Flat hookah charcoal is widely used on:
– Traditional Egyptian bowls (e.g., Khalil Mamoon style)
– Dense packing bowls (e.g., Tangiers-style)
– Heat management devices (HMDs) with limited headroom (e.g., Provost-type top systems, some aftermarket lids)
Advantages by use case:
– **Traditional clay heads:** Two to three flats sit neatly on the rim without excessive overhang, giving controllable, moderate heat.
– **Dense “American pack” bowls:** Flats provide a more gradual heat ramp; less risk of scorching early in the session compared with multiple large cubes.
– **HMDs and Provost-type systems:** The thin cut allows lid clearance and more uniform air circulation, making heat management easier for café staff.
Burn Time Trade-Off vs Cube Shapes
By design, flat cut shisha coal sacrifices some burn time to gain faster ignition and more responsive heat control.
Indicative comparative burn times (lab-style controlled tests, wind-free, constant setup):
| Shape | Typical Size | Approx. Net Weight / Piece | Indicative Burn Time* |
|---|---|---|---|
| Cube | 26×26×26 mm | ~14–15 g | ~80–95 minutes |
| Flat | 26×26×10 mm | ~6–7 g | ~45–65 minutes |
| Thin flat | 25×25×8 mm | ~4.5–5.5 g | ~35–50 minutes |
*Burn time is indicative only – verify on your own setup (charcoal basket, lounge burners, airflow, bowl packing style).
If your business model prioritizes long single-coal sessions (e.g., lounges that rarely change coals), cubes might be better. If faster rotations or smaller heads dominate, flat coconut charcoal is often more efficient.
Technical Specifications: Flat Coconut-Shell Shisha Charcoal
Most export-grade flat coconut charcoal from Indonesia is produced from fully carbonized coconut shells, then mixed with a food-grade binder and small percentage of moisture before pressing and drying.
Core lab parameters importers look at:
Typical Specification Ranges by Quality Tier
Below are indicative benchmarks we see across Indonesian production for 26x26x10mm charcoal. Figures are compiled from actual factory COAs and independent lab tests in Indonesia and buyer markets.
| Parameter | Super-Premium Hookah Lounge | Premium Retail / Café | Standard Commercial |
|---|---|---|---|
| Fixed Carbon (as-received basis) | ~78–82% | ~75–79% | ~72–76% |
| Ash Content | ~1.2–1.6% | ~1.6–2.0% | ~2.0–2.5% |
| Volatile Matter | ~13–16% | ~14–18% | ~15–20% |
| Moisture (surface-dry, pre-loading) | ≤ 5% | ≤ 6% | ≤ 7% |
| Calorific Value (GCV) | ~7,300–7,600 kcal/kg | ~7,100–7,500 kcal/kg | ~6,900–7,300 kcal/kg |
| Drop Test (cm, no break)** | ~60–80 cm | ~50–70 cm | ~40–60 cm |
**Drop test benchmarks vary by lab protocol (height, surface, number of repeats). Use only as comparative guidance between batches from the same supplier.
Super-Premium vs Standard: How Much Does It Matter?
– **Fixed carbon:** Higher FC generally correlates with more energy per gram and “cleaner” burn, but extreme FC claims (e.g., “>85% FC on finished briquettes”) should be scrutinized. Often those numbers refer to crushed raw charcoal, not pressed briquettes.
– **Ash content:** Sub-1% ash on processed shisha briquettes is rare and should be independently tested. Many genuine high-end flats sit around 1.3–1.8%.
– **Calorific value:** Differences of 100–200 kcal/kg on a COA rarely translate into visibly different performance. Treat CV as a sanity check, not a marketing headline.
Any spec sheet is only as good as its sampling and lab methodology. Always request:
– Which standard was used (e.g., ISO, ASTM variants)
– Sample date & batch reference
– Whether the report is on finished briquette or base charcoal powder
We include pre-shipment SGS (or equivalent) inspection by default on FCL orders to help align claimed vs actual values in the export batch.
Ash Quality, Smell, and Ignition: What You Can and Cannot Trust
Ash Color & Texture
For well-made flat coconut charcoal:
– Ash color: light grey to off-white at super-premium quality; medium grey for standard grades
– Ash structure: fine, compact, not excessively fluffy
Visual ash color is influenced by:
– Mineral content of the shell
– Binder formulation
– Combustion temperature (higher temperatures can make ash appear lighter)
Do not buy solely on “white ash” claims; use them as one data point alongside lab ash % and your own burn test.
Smell & Off-Odor Risk
Properly produced coconut-shell flats should:
– Have minimal to no smell during ignition on an electric burner
– Not transmit chemical or “paint-like” odors into the smoke stream
Common causes of off-odors:
– Incomplete carbonization of shell
– Excessive or low-grade binder / starch
– Use of non-shell biomass fillers
– Residual moisture and insufficient final drying
Marketing phrases like “absolutely no smell” are not measurable; focus instead on:
– Independent olfactory test on sample (burn 3–4 pieces indoors with good ventilation)
– Your own session test on your standard bowl and tobacco
– Consistency – same batch character across multiple cartons
Fast-Light vs Natural Flats: Clarifying Terms
Some buyers use “fast-light” to describe any flat shisha charcoal that heats quickly due to thin cut. Others mean chemically coated quick-light tablets.
We focus only on **natural coconut-shell flat shisha charcoal** (no ignition chemicals). If you require actual quick-light tablets (nitrate or similar coating), specifications, HS codes, and regulatory issues differ; treat that as a separate category.
For natural flats:
– Faster ignition is due to **geometry and porosity**, not chemical accelerants
– They still require a proper burner or stove – they will not light by a single match
If your sourcing brief says “fast-light coconut shell” but you want natural product, clarify that you mean **26×26×10 mm or similar flat natural briquettes**, not quick-light tablets.
Standard Specs for 26×26×10 mm Flat Shisha Charcoal
A commonly requested export spec for super-premium lounge-grade 26x26x10mm charcoal from Indonesian coconut shell looks like:
– Size: 26×26×10 mm (± 1 mm tolerance)
– Shape: Flat square
– Raw material: 100% coconut shell charcoal powder + food-grade binder
– Fixed carbon: ~80% (as-received)
– Ash content: ~1.4–1.6%
– Volatile matter: ~14–16%
– Moisture: ≤ 5%
– Calorific value: ~7,400–7,600 kcal/kg
– Mechanical strength: passes ~60–80 cm drop test (single-piece, hard surface)
– Ignition: 5–7 minutes on standard electric coil, turning once
– Burn time: ~55–65 minutes under typical lounge conditions
For premium / mid-grade flats, you may see:
– FC ~75–78%
– Ash ~1.7–2.0%
– Burn time ~45–60 minutes
And for standard commercial flats:
– FC ~72–76%
– Ash ~2.0–2.5%
– Burn time ~40–55 minutes
All these ranges should be validated by the buyer via **pre-shipment inspection, third-party lab, and own in-use testing**.
If you want us to match your target spec, we discuss ranges, not single absolutes, and always correlate with realistic FOB price positioning.
For detailed spec alignment and a sample protocol, you can plan your trip through your next sourcing cycle with us, including WhatsApp-based coordination for lab tests, photos, and loading supervision.
Buyer Markets & Use Patterns for Flat Cut Shisha Coal
Egypt, MENA, and Traditional Markets
Many Egyptian and wider MENA buyers favor flats over large cubes for:
– Compatibility with traditional bowls and foil
– Familiar heat profile for café staff
– Lower coal change labor per session (two or three flats vs frequent cube swaps)
Some buyers in these markets accept slightly higher ash (up to around 2–2.3%) if FOB pricing is favorable and burn performance is consistent. Super-premium low-ash flats are a smaller, more niche segment.
European Café & Lounge Segment
In European lounges:
– Flat coconut charcoal is used heavily with heat management devices, often 2–3 pieces under a lid.
– Operators care strongly about ash cleanliness, table mess, and odor – particularly in indoor environments with strict ventilation norms.
European buyers typically specify:
– Ash below ~1.6–1.8% for premium lounge supply
– Strict size tolerance (good fit for popular HMDs)
– Carton strength suitable for 2–3 trans-shipments
They may accept slightly higher raw FOB if:
– SGS or comparable pre-shipment inspection is included
– Packaging and palletization are optimized to minimize breakage on LCL/LTL re-distribution.
Retail Packs & Online Brands
Flat shisha charcoal is common in:
– 0.5 kg, 1 kg, or 3 kg branded retail boxes
– E-commerce brands selling “natural coconut flats” for home users
Here the buyer’s priority is consistent carton count and clean retail presentation (design, barcode placement, multilingual labeling). Technical spec is usually premium tier (but not extreme super-premium) to balance cost and consumer expectations.
Packaging: Inner, Master Cartons, and Palletization
Inner Packaging Configurations
Standard for 26×26×10 mm flat coconut charcoal:
– **1 kg inner:**
– Typically 3–4 heatsealed plastic sleeves per box (e.g., 0.25 kg × 4 or ~0.33 kg × 3)
– Piece count per 1 kg varies by density, but commonly in the 130–170 pcs range for flats
Other inner options:
– 0.5 kg boxes (for certain retail channels)
– Bulk plastic wrap with no printed inner box for B2B lounge supply
Higher-quality inner packs reduce dust migration and protect edges during handling.
Master Cartons & Loadability
Typical shipping configuration for export:
– 10 kg master cartons (10 × 1 kg or 20 × 0.5 kg)
– Outer carton: double-wall or reinforced single-wall kraft, taped and/or strapped
Indicative FCL loading (varies by factory, carton spec, and port weight limits):
– 20’ FCL: ~10–13 MT net (flats are less dense than cubes, but carton count is similar; many shippers cap at local road weight limits)
– 40’ FCL: ~20–24 MT net
We adjust carton GSM and palletization (if used) based on your route:
– Unpalletized floor loading for maximum net MT in some destination ports
– Euro or US pallets for distribution hubs that forbid floor-loaded containers
Discuss your destination port, unloading equipment, and warehouse rules when requesting a quote.
Trade Details: HS Codes, Incoterms, FOB Ranges
HS Code Classification
Natural coconut-shell flat shisha charcoal is typically classified under:
– **HS 4402.90** – “Other charcoal (including shell or nut charcoal), whether or not agglomerated”
Some customs brokers may use national subcodes specific to hookah or barbecue briquettes, but the base HS chapter and heading remain in 44.02 in most jurisdictions.
For actual quick-light (chemically treated) tablets, different coding may apply. Ensure your product description is clear: **natural coconut-shell briquettes; no ignition chemicals.**
Incoterms We Commonly Use
– **FOB Indonesian port (Incoterms® 2020):** Most common. Buyer arranges sea freight, insurance, and destination charges.
– **CFR/CIF on request:** We can align with your nominated forwarder or quote ocean freight through our logistics partners.
– **Ex-Works (EXW) occasionally:** For buyers with strong local presence in Indonesia who manage consolidation themselves.
On FOB, our scope typically includes:
– Production to agreed spec range
– Export packing and documentation
– Inland trucking to Indonesian load port
– Terminal handling on export side
– Pre-shipment SGS (or equivalent) inspection as specified in the contract
Indicative FOB Price Ranges (Last Verified June 2026)
FOB price for flat shisha charcoal depends on:
– Quality tier (ash, FC, mechanical strength)
– Packaging (plain vs full-color printed retail; palletization)
– Order size and payment terms
– Port of loading (e.g., Tanjung Priok, Tanjung Perak, Belawan, etc.)
As broad, non-binding guidance (FOB Indonesia, last verified June 2026):
– **Super-premium flats (low ash, high FC, lounge-grade, printed boxes):**
– Approx. **US$X.XX–X.XX/kg FOB** in full-container volumes
– **Premium café / retail quality:**
– Approx. **US$X.XX–X.XX/kg FOB**
– **Standard commercial flat coconut charcoal, plain packaging:**
– Approx. **US$X.XX–X.XX/kg FOB**
We do not publish a single “price list” because real offers depend on finalized spec, packaging, and Incoterms. Use these ranges to:
– Filter out unrealistic lowball offers that cannot support stated specs
– Evaluate if a supplier’s pricing matches their claimed lab values and packaging
For a concrete quotation tied to your target spec and port, you can plan your trip through the sourcing process with us – including WhatsApp coordination for RFQs, draft POs, and shipment scheduling.
Quality Control & SGS Pre-Shipment Inspection
Factory QC vs Independent Inspection
Most Indonesian producers will show you:
– In-house moisture and ash tests
– Visual QC (broken pieces %, shape tolerance)
– Batch-level records
These are useful but inherently not independent. To reduce risk on FCL loads:
– We arrange **pre-shipment inspection (PSI)** with SGS or another agreed third party at the loading point.
– Scope generally includes: random carton sampling, weight verification, piece size check, packaging conformity, and basic quality assessment (appearance, odor, ignition test where requested).
PSI is not a laboratory analysis. It does not replicate full proximate analysis (FC, ash, volatiles) unless specifically added as a separate lab assignment.
What Lab Tests Can and Cannot Guarantee
A typical proximate analysis + calorific value report on coconut-shell flats tells you:
– Approximate FC, ash, moisture, and volatile matter
– Energy content per kg
– Conformity to your target spec envelope
But it does **not** guarantee:
– Absolutely identical performance across every carton – production variance always exists
– Session behavior in your specific hookah heads and ventilation conditions
– Breakage rate after multiple handling steps (port, trans-shipment, last-mile delivery)
Treat lab tests as:
– A **baseline filter** – to reject clearly sub-standard product
– A **comparative tool** – to compare suppliers and batches under comparable protocols
Then validate with:
– Your own ignition and session tests
– Small pilot shipment before committing to multi-container programs
– Ongoing random QC of incoming stock at your warehouse
How to Evaluate a Flat Shisha Charcoal Offer
When you receive a quote for 26×26×10 mm flats, check:
1. Shape & Size Details
– Exact size: 26×26×10 mm or another dimension?
– Tolerance: ±1 mm or wider?
– Edges: sharp / beveled / rounded (affected by tooling)
Mismatch between your HMD/bowl setup and actual piece size will cause operational issues in lounges.
2. Verified Specs vs Marketing Claims
Ask for:
– Recent COA from a recognized lab (for that factory and similar spec), not only a generic template
– Clarification whether values are from **finished briquette**, not only raw charcoal powder
– Realistic ranges, not single numbers with two decimal places (e.g., ash “exactly 1.32%” on every batch is unlikely)
Be cautious with:
– Fixed carbon claims above low-80% on finished briquettes
– Ash content advertised below 1% without multiple third-party verifications
– “Smokeless” or “odorless” language – neither are technically accurate for any charcoal
3. Packaging & Load Plan
Confirm:
– Inner box design (plain / printed, languages, barcode needs)
– 10 kg vs other master carton weights
– Palletization requirements at your destination
– Net MT per container and expected piece count per carton
Ask the supplier to share:
– Actual photos of production, packaging line, and recent loaded containers
– Draft markings and label layouts before printing
4. QC and Contract Terms
Key points to define in the contract:
– Spec ranges for FC, ash, moisture, and dimension tolerance
– Breakage allowance (% of pieces allowed to be broken or chipped)
– Pre-shipment inspection provider and scope (SGS or equivalent)
– Claim and remediation process if PSI or arrival QC finds out-of-spec issues
Our role as an independent export desk is to align these points clearly between buyer and factory, so disputes and “miscommunication” are minimized.
Working With Us on Flat Coconut Charcoal Supply
As an Indonesian coconut-shell shisha charcoal export desk, we:
– Source across multiple vetted factories that specialize in flat and cube shapes
– Match your target quality tier (super-premium, premium, standard) to realistic cost ranges
– Coordinate QC, PSI, and documentation around each shipment
For importers building a long-term program:
– Start with one or two trial FCLs on clearly defined spec
– Monitor in-market performance and customer feedback
– Adjust FC/ash targets and packaging as actual sales data comes in
To map out volumes, specs, and calendar for 26×26×10 mm flats and related shapes, you can plan your trip through your next sourcing season with us. We use WhatsApp extensively for time-sensitive coordination – photos, videos, draft labels, and on-the-spot clarifications.
FAQs: Flat Shisha Charcoal 26×26×10 mm
How many 26×26×10 mm flats are usually in 1 kg?
Piece count depends on density and exact height, but for most Indonesian coconut-shell flats, 1 kg contains roughly 130–170 pieces. Always verify by test-packing several inner boxes from your supplier to confirm consistency.
Do flat coconut charcoals burn cleaner than cubes?
Cleanliness is driven more by raw material quality and process control than by shape. A super-premium flat and a super-premium cube from the same factory should have similar ash %, odor, and smoke cleanliness. The main difference is burn time and surface-area-to-mass ratio, not inherent “cleanliness”.
Can I mix flats and cubes in the same order or container?
Yes. Many buyers ship mixed shapes and sizes in one FCL, typically separating by pallet or by clearly marked carton stacks. Make sure the packing list and carton markings clearly differentiate flats vs cubes, and that your QC plan samples from each line.
Are 25×25×8 mm flats cheaper than 26×26×10 mm?
They usually use less material per piece, so cost per kilogram can be similar but pieces per kilogram increase. FOB per kg may be slightly lower or similar; differences are more about performance and market preference than raw cost. Evaluate both shapes on your own bowl setups before committing.
What’s the best way to test a new supplier’s flat shisha charcoal?
Request a documented sample (with batch code), perform your own ignition, burn, and session tests on your standard heads and tobacco, then send a sub-sample for third-party lab analysis of FC, ash, moisture, and volatiles. Compare actual lab and usage results against the supplier’s COA and their quoted spec range before issuing a purchase order.